This query shows all zombies that are easy to kill, aka questions that have at least one 0-scored answer.
Q&A for peer programmer code reviews
q.Id AS [Post Link],
MAX(a.Score) AS [Best answer score]
Posts a ON a.ParentId = q.Id
q.AnswerCount > 0
AND q.AcceptedAnswerId IS NULL
MAX(a.Score) = 0